(emacs)Calendar Unit Motion

Motion by Integral Days, Weeks, Months, Years
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The commands for movement in the calendar buffer parallel the
commands for movement in text. You can move forward and backward by
days, weeks, months, and years.
`C-f'
Move point one day forward (`calendar-forward-day').
`C-b'
Move point one day backward (`calendar-backward-day').
`C-n'
Move point one week forward (`calendar-forward-week').
`C-p'
Move point one week backward (`calendar-backward-week').
`M-}'
Move point one month forward (`calendar-forward-month').
`M-{'
Move point one month backward (`calendar-backward-month').
`C-x ]'
Move point one year forward (`calendar-forward-year').
`C-x ['
Move point one year backward (`calendar-forward-year').
The day and week commands are natural analogues of the usual Emacs
commands for moving by characters and by lines. Just as `C-n' usually
moves to the same column in the following line, in Calendar mode it
moves to the same day in the following week. And `C-p' moves to the
same day in the previous week.
The arrow keys are equivalent to `C-f', `C-b', `C-n' and `C-p', just
as they normally are in other modes.
The commands for motion by months and years work like those for
weeks, but move a larger distance. The month commands `M-}' and `M-{'
move forward or backward by an entire month's time. The year commands
`C-x ]' and `C-x [' move forward or backward a whole year.
The easiest way to remember these commands is to consider months and
years analogous to paragraphs and pages of text, respectively. But the
commands themselves are not quite analogous. The ordinary Emacs
paragraph commands move to the beginning or end of a paragraph, whereas
these month and year commands move by an entire month or an entire
year, which usually involves skipping across the end of a month or year.
All these commands accept a numeric argument as a repeat count. For
convenience, the digit keys and the minus sign specify numeric
arguments in Calendar mode even without the Meta modifier. For example,
`100 C-f' moves point 100 days forward from its present location.